Location History:
- Yokosuka, JP (1987)
- Yokohama, JP (1993 - 2003)
- Matsudo, JP (2011 - 2012)
Company Filing History:
4 out of 13,408 
3 out of 149 
1 out of 854 
Years Active: 1987-2012
Title: Kunio Maki: Innovator in Sliding Bearings and Wear Resistant Materials
Introduction
Kunio Maki is a prominent inventor based in Matsudo, Japan, recognized for his contributions to engineering through his eight patents. His work primarily focuses on advancements in sliding bearings and manufacturing methods for wear-resistant materials, reflecting his commitment to innovation and excellence in the field.
Latest Patents
One of Kunio Maki's notable patents involves a sliding bearing designed to enhance the efficiency of shaft support systems. This sliding bearing features a shaft hole for supporting a shaft, an inner circumferential surface for sliding, and multiple linearly oblique grooves. These grooves, which extend in a direction crossing the circumferential line and are strategically placed, include specific lubricants to optimize performance. The design parameters include oblique angles ranging from 10° to 60° and groove widths from 0.5 to 5 mm, with a unique ratio of sliding surface width to groove width that is critical for effective operation.
Another significant patent pertains to a manufacturing method for wear-resistant sintered members and sintered valve seats. This method involves mixing raw powders to create a green compact, followed by a sintering process, ensuring durability and resistance to wear. The technical specifications highlight Kunio's attention to detail and innovative approaches in material science.
Career Highlights
Throughout his career, Kunio Maki has worked with notable organizations such as Nissan Motor Company Limited and Hitachi Powdered Metals Co., Ltd. His roles at these companies have allowed him to develop and refine his innovative ideas in engineering and materials.
Collaborations
Kunio has collaborated with esteemed colleagues in the industry, including Hideaki Kawata and Koichiro Hayashi. Together, they have pushed the boundaries of technology and contributed to advancements in their respective fields.
Conclusion
With a solid portfolio of patents and a commitment to innovation, Kunio Maki stands out as a significant contributor to engineering in Japan. His inventions and collaborations continue to influence the industry, showcasing the importance of creativity and technical expertise in driving progress forward.